/Engine/Source/Editor/UMGEditor/Public/WidgetBlueprintEditorUtils.h
static [UWidget](API\Runtime\UMG\Components\UWidget) * FindNamedSlotHostWidgetForContent ( [UWidget](API\Runtime\UMG\Components\UWidget) * WidgetTemplate, [UWidgetTree](API\Runtime\UMG\Blueprint\UWidgetTree) * WidgetTree )